Sound United is a division of DEI Holdings with an award-winning portfolio of audio brands that deliver industry-leading home theater and personal audio listening experiences for a wide-range of consumers. Each brand provides an expansive array of audio products that includes high-end and custom installation audio, to mid-tier markets that cover loudspeakers, sound bars, AV receivers, wireless multi-room music systems, Bluetooth® speakers, amplifiers, turntables and headphones.

Dedicated to artfully reproducing audio for listeners and enthusiasts around the world, Sound United is comprised of Denon®, Marantz®, Polk Audio®, Definitive Technology®, Polk BOOM®, HEOS®, and Boston Acoustics®. And each brand offers a unique approach to bringing home theater and music to life. Whether it’s through the legendary heritage of Denon, the classic sound of Polk Audio, the premium performance of Definitive Technology, the highly-sought-after amplification of Marantz, the action-inspired form factors of Polk BOOM, the wireless home audio solutions of HEOS, or the accessible performance of Boston Acoustics, Sound United is your sound — so listen.